| Item | Part No. | Part Name | Qty | Serial No. |
| (723-47-21200) | VALVE ASS'Y | 20001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-18A0. | ||||
| (723-40-71300) | VALVE ASS'Y | 20001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1662-13A0 AND Y1662-14A0. | ||||
| 1 | \6\ | BLOCK | 20001- | |
| 2 | 01252-61040 | BOLT | 20001- | |
| 3 | 01643-51032 | WASHER | 20001- | |
| 4 | 702-21-55620 | PLUG | 20001- | |
| 5 | 07002-11423 | O-RING | 20001- | |
| 6 | 708-8E-16160 | PLUG | 20001- | |
| 7 | 07002-11023 | O-RING | 20001- | |
| 8 | 07000-12011 | O-RING | 20001- | |
| 9 | \6\ | PLUG | 20001- | |
| 10 | 01010-61470 | BOLT | 20001- | |
| 11 | 01010-61460 | BOLT | 20001- | |
| 12 | 01643-31445 | WASHER | 20001- | |
| 13 | 723-46-17560 | PLATE | 20001- | |
| 14 | 01643-51032 | WASHER | 20001- | |
| 15 | 01010-81040 | BOLT | 20001- |